<template>
  <div>
    <div class="login-container">
      <el-form class="login-form" autoComplete="on" :model="loginForm" :rules="loginRules" ref="loginForm"
               label-position="left">

        <h3 class="title">{{site.name}}</h3>
        <el-col :xs="24" :sm="24" :md="24" :lg="24">
          <el-col :xs="16" :sm="16" :md="24" :lg="24">
            <el-form-item prop="username">
        <span class="svg-container svg-container_login">
          <svg-icon icon-class="user"/>
        </span>
              <el-input name="username" type="text" v-model="loginForm.username" autoComplete="on"
                        placeholder="输入用户名"/>
            </el-form-item>
          </el-col>
        </el-col>
        <el-col :xs="24" :sm="24" :md="24" :lg="24">
          <el-col :xs="16" :sm="16" :md="24" :lg="24">
            <el-form-item prop="password">
              <span class="svg-container">
                <svg-icon icon-class="password"></svg-icon>
              </span>
              <el-input name="password" :type="pwdType"  v-model="loginForm.password"
                        autoComplete="on"
                        placeholder="输入密码"></el-input>
              <span class="show-pwd" @click="showPwd"><svg-icon icon-class="eye"/></span>
            </el-form-item>
          </el-col>
        </el-col>
        <el-col :xs="16" :sm="16" :md="24" :lg="24">
          <el-form-item>
            <el-button type="primary" style="width:100%;" :loading="loading" @click="handleLogin">
              登 录
            </el-button>
          </el-form-item>
        </el-col>
        <el-col :xs="12" :sm="12" :md="12" :lg="12">
          <div class="tips">
            <el-button v-if="site.adminRegister" type="text" @click="gotoRegister">注册</el-button>
            <el-button v-if="site.adminRestPassword" type="text" @click="gotoForget">忘记密码？</el-button>
          </div>
        </el-col>
      </el-form>
      <el-footer style="position: absolute;bottom: 0; color:white;margin: 0 auto;width: 100%;border-top: #909399 solid 1px; padding-top: 10px;">
        <div class="grid-content bg-purple">
          <a class="organization" href="http://www.qingzhuge.com">特种设备检测监测云平台</a> . <a class="pro" target="_blank" href="https://gitee.com/qingzhuge/QingTing">特种设备</a><span>V{{site.version}}</span>
        </div>
      </el-footer>
    </div>
  </div>
</template>

<script>
  import { get } from '@/api/sys/connSysOpenApi'

  export default {
    name: 'login',
    data() {
      const validateUsername = (rule, value, callback) => {
        if (value.length < 2) {
          callback(new Error('请输入正确的用户名'))
        } else {
          callback()
        }
      }
      const defaultSite = {
        'adminKaptcha': false,
        'adminSmsCodeLogin': false,
        'enable': true,
        'adminPwdMinLength': 1,
        'name': undefined,
        'adminSmsCodeRegister': false,
        'adminRegister': false,
        'adminRestPassword': false,
        'addr': undefined,
        'version': undefined,
        'adminPwdMaxLength': 10
      }
      return {
        site: Object.assign({}, defaultSite),
        loginForm: {
          username: 'admin',
          password: 'admin'
        },
        loginRules: {
          username: [{ required: true, trigger: 'blur', validator: validateUsername }],
          password: [{
            required: true, trigger: 'blur', validator: (rule, value, callback) => {
              if (value.length < this.site.adminPwdMinLength) {
                callback(new Error('密码不能小于' + this.site.adminPwdMinLength + '位'))
              } else if (value.length > this.site.adminPwdMaxLength) {
                callback(new Error('密码不能大于' + this.site.adminPwdMaxLength + '位'))
              } else {
                callback()
              }
            }
          }]
        },
        loading: false,
        pwdType: 'password'
      }
    },
    created() {
      // this.getSite()
    },
    methods: {
      gotoRegister() {
        this.$router.push({ path: '/auth/user/register' })
      },
      gotoForget() {
        this.$router.push({ path: '/auth/user/resetpwd' })
      },
      showPwd() {
        if (this.pwdType === 'password') {
          this.pwdType = ''
        } else {
          this.pwdType = 'password'
        }
      },
      getSite() {
        get('site').then(res => {
          this.site = res.site
          this.$store.dispatch('site', res.site).then((res) => {
            document.title = res.name + '-' + res.version
          })
        }).catch((err) => {
          this.site = err.site
        })
      },
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          if (valid) {
            this.loading = true
            this.$store.dispatch('Login', this.loginForm).then(() => {
              this.loading = false
              this.$router.push({ path: '/' })
            }).catch(() => {
              this.loading = false
            })
          } else {
            console.log('error submit!!')
            return false
          }
        })
      }
    }
  }
</script>

<style rel="stylesheet/scss" lang="scss">
  $bg: #2d3a4b;
  $light_gray: #eee;

  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 55%;

      input {
        background: transparent;
        border: 0;
        -webkit-appearance: none;
        border-radius: 0;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;

        &:-webkit-autofill {
          -webkit-box-shadow: 0 0 0 1000px $bg inset !important;
          -webkit-text-fill-color: #fff !important;
        }
      }
    }

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
  }

  $bg: #2d3a4b;
  $dark_gray: #889aa4;
  $light_gray: #eee;
  .login-container {
    position: fixed;
    height: 100%;
    width: 100%;
    background-color: $bg;

    .login-form {
      position: absolute;
      left: 0;
      right: 0;
      width: 520px;
      padding: 35px 35px 15px 35px;
      margin: 120px auto;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;

      &_login {
        font-size: 20px;
      }
    }

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0 auto 40px auto;
      width: 60%;
      font-weight: bold;
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }
    .el-footer{
      a {
        color: #409eff;
        text-decoration: none;
      }
      .organization{

      }
      .pro{
        size: 12px;
      }
      span{
        size: 12px;
      }
    }
  }
</style>
